YOU SAID:

i have had nothing to eat today therefore i am very hungry

INTO JAPANESE

今日は何も食べなかったので、お腹がすいた

BACK INTO ENGLISH

I was hungry because I didn't eat anything today

INTO JAPANESE

今日は何も食べなかったのでおなかがすいた

BACK INTO ENGLISH

I was hungry because I didn't eat anything today